r3dm1ke

import 'dart:io';

void main() {
  // Read some text from console
  var password = stdin.readLineSync();

  // Check if password is correct
  if (password == 'abc') {
    print('Access granted');
  } else if (password == 'xyz') {

r3dm1ke

const defaultValueHandler = {
	get: (obj, property) => 
  	property in obj ? obj[property] : 'general kenobi'
}

const objectWithDefaultValue = new Proxy({}, defaultValueHandler);

objectWithDefaultValue.a = 'b';

console.log(objectWithDefaultValue.a); // b

r3dm1ke

// Importing standart math library
// Note that with deferred imports we have to specify its name
// using _is_ keyword
import 'dart:math' deferred as math; 

void main() {
  greet();
}

// This is a function that is async. I will talk about

r3dm1ke

expect.extend({
  toBeISODate(received) {
    // This regexp checks for formatting
    if (
      !/\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}.\d{3}Z/.test(received)
    ) {
      return {
        pass: false,
        message: `Expected ${received} to be a valid ISO date string`,
      };

r3dm1ke

function executeWithFetch(request) {
  // EXERCISE FOR THE READER
}

function executeWithAxios(request) {
  // EXERCISE FOR THE READER
}

function ClientBuilder() {
  return {

r3dm1ke

expect.extend({
  toBePowerOf(received, power) {
    if (typeof power !== 'number') {
      throw new Error('expected power to be a number');
    }
    
    if (typeof received !== 'number') {
      throw new Error('expected value to be a number');
    }
    

r3dm1ke

expect(1).toBe(1); // Checking for value and reference equality
expect({a: 'b'}).toEqual({a: 'b'}); //Checking for deep value equality
expect('abacaba').toMatch(/bac/); // Checking if a string matches a regexp
expect({a: 'b', b: 'c'}).toMatchObject({a: 'b'}); // Checking for a partial object match
expect([1, 2, 3]).toContainEqual(2); // Checking if an array contains an element
expect(2).not.toEqual(3); // using not to negate any matcher
expect({a: 'b'}).toMatchObject({
  a: expect.any(String)
}); // Type checking

r3dm1ke

class Car {
  constructor(make, model) {
    this.make = make;
    this.model = model;
  }
  
  start() {
    console.log('vroom');
  }
  

r3dm1ke

// "class" declaration
function Car(make, model) {
  this.make = make;
  this.model = model;
}

// the start method
Car.prototype.start = function() {
  console.log('vroom');
}

r3dm1ke

const client = ClientBuilder()
  .forBaseUrl('https://some-api.com/api/')
  .withHeaders({Authorization: 'Bearer ABACABA'})
  .usingAxios()
  .build();

client.post('UpdateData', {data: 'new data'});